Is mayonnaise ok on the BRAT diet? The surprising answer and safe alternatives
                                
                                
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                                    3 min read                                
                            
                                Healthcare professionals advise against adding fats and oils, like mayonnaise, to the BRAT diet, as they can prolong diarrhea or upset an already sensitive stomach. This makes the answer to “Is mayonnaise ok on the BRAT diet?” a firm no, with a focus instead on bland, low-fat foods to aid recovery.